Abstract
Electron hopping transport along the DNA chain is studied theoretically by a straightforward numerical solution of the time-dependent Schrödinger equation. Results are given for the hole transition rates between two guanine bases bridged by sequences of the adenine-thymine bases with various lengths. Two models are considered: (i) with time-independent chain structure and (ii) with positions of bases on the bridge oscillating with time. It is shown that only the latter model is consistent with experimental data. The problem of the incoherence in the hopping transport mechanism is discussed.
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